Potentiation of tyramine effect on the isolated iris muscle by cocaine.
D000818:Animals; D002417:Cattle; D003042:Cocaine / Q000494:pharmacology*; D004357:Drug Synergism; D007498:Iris / Q000187:drug effects*; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D009638:Norepinephrine / Q000494:pharmacology*; D014439:Tyramine / Q000494:pharmacology*
D003042:Cocaine; D009638:Norepinephrine; D014439:Tyramine